George Kunnackal John, MBBS, MSc, MSc

• John’s Medical College, MBBS, 2009
• University of Oxford, MSc, Global Health Science, 2011
• University of Oxford, MSc (R), Clinical Medicine, 2012
• Johns Hopkins Bayview Medical Center, Residency, Internal Medicine, 2015
• Johns Hopkins Hospital, Fellowship, Gastroenterology and Hepatology, 2018

Dr. John is a general gastroenterologist based in Easton, MD who has a keen interest in clinical research and evidence based care. He received his Bachelor of Medicine, Bachelor of Surgery degree from St. John's Medical College and Hospital in Bangalore, India where he graduated with distinction and was awarded the Pope Paul VI Gold Medal and award for best graduating medical student. He was awarded the Rhodes scholarship in 2010 and went on to earn a Master's degree in global health science with distinction and a Master's degree of research in clinical medicine from Oxford University following which Dr. John came to Baltimore to complete his medical training at Johns Hopkins University. He joined UM Shore Medical Group in 2018.

Dr. John’s research areas of interest are epidemiology and clinical outcomes in general gastroenterology, gut microbiome, quality improvement and hereditary polyposis syndromes. He has presented multiple abstracts at national conferences and authored several publications.

Students and trainees are encouraged to email Dr. John if interested to pursue short term research projects.

general gastroenterology, hereditary polyposis syndromes, lynch syndrome, bowel preparation, colon cancer screening, gastrointestinal dysmotility

John G.K.., Thuluvath, A.J., Carrier, H., Ahuja, N., Gupta, E., Stein, E., Poor Health Literacy and Medication Burden Are Significant Predictors for Inadequate Bowel Preparation in an Urban Tertiary Care Setting. Journal of Clinical Gastroenterology. 2019 53(9) 382-386

John G.K., Villgran, V., Caufield-Noll, C., Giardiello, F. Comparison of Universal Screening for Lynch Syndrome in Colorectal and Endometrial Cancer Around the World: A Systematic Review and Pooled Analysis. Gastroenterology 2018 May 154: 6 S790-791

John G.K., Wang L., Nanavati J., Singh R., Mullin G.E., Dietary alteration of the gut microbiome and its impact on weight and fat mass: A systematic review and meta-analysis. Genes. 2018 9(3), 167

John, G.K., Singh, V.K., Moran, R.A., Warren, D., Sun, Z., Desai, N., Walsh, C., Kalyani, R.R., Hall, E., Hirose, K., Makary, M.A., Stein E. M.. Chronic Gastrointestinal Dysmotility and Pain Following Total Pancreatectomy with Islet Autotransplantation for Chronic Pancreatitis. J Gastrointest Surg 2017 Apr; 21(4): 622-627.